28567276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 55121472

約数和(自身を除く): 26554196

約数列:

[1, 2, 4, 17, 34, 61, 68, 71, 97, 122, 142, 194, 244, 284, 388, 1037, 1207, 1649, 2074, 2414, 3298, 4148, 4331, 4828, 5917, 6596, 6887, 8662, 11834, 13774, 17324, 23668, 27548, 73627, 100589, 117079, 147254, 201178, 234158, 294508, 402356, 420107, 468316, 840214, 1680428, 7141819, 14283638, 28567276]

約数ペア:

[(1, 28567276), (2, 14283638), (4, 7141819), (17, 1680428), (34, 840214), (61, 468316), (68, 420107), (71, 402356), (97, 294508), (122, 234158), (142, 201178), (194, 147254), (244, 117079), (284, 100589), (388, 73627), (1037, 27548), (1207, 23668), (1649, 17324), (2074, 13774), (2414, 11834), (3298, 8662), (4148, 6887), (4331, 6596), (4828, 5917)]